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Finding the Fourth Proportional to 1,524.36, 2,285.72 and 484.08

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Solution

The fourth proportional to 1,524.36, 2,285.72 and 484.08 is: 725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.36 : 2,285.72 = 484.08 : x
  2. Step 2: Convert to fraction form
    1,524.36/2,285.72 = 484.08/x
  3. Step 3: Cross multiply
    1,524.36x = 2,285.72 × 484.08
  4. Step 4: Simplify right side
    1,524.36x = 1,106,457.49
  5. Step 5: Solve for x
    x = 1,106,457.49/1,524.36
  6. Step 6: Final answer
    x = 725.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.